Xenna-

//ˈzɛnə// prefix, slang

prefix, slang ·Uncommon ·College level

Definitions

Prefix
  1. 1
    Synonym of ronna- (used before an official prefix existed). Symbol: X informal, morpheme

    "The SI prefixes above are not the only extreme ones. Others such as xenno (x) (10⁻²⁷) and xenna (X) (10²⁷), or vendeko (v) (10⁻³³) and vendeka (V) (10³³) exist, and can help simplify the expression of extreme numbers."

Synonyms

All synonyms

Antonyms

All antonyms

Example

More examples

"The SI prefixes above are not the only extreme ones. Others such as xenno (x) (10⁻²⁷) and xenna (X) (10²⁷), or vendeko (v) (10⁻³³) and vendeka (V) (10³³) exist, and can help simplify the expression of extreme numbers."

Etymology

From Ancient Greek ἐννέα (ennéa, “nine”), for the ninth order of 10³, and the letter x, as the third term in a series running backwards through the alphabet (after zetta- and yotta-). The final a conforms to the final vowel of the SI series from mega- upwards.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.